| |||
| 锁定环; 锁环 | |||
| |||
| 闭 口线圈 | |||
|
lock loop : 20 phrases in 8 subjects |
| Air defense | 1 |
| Astronomy | 1 |
| Aviation | 2 |
| Computer numerical control | 1 |
| Electronics | 4 |
| Information technology | 1 |
| Space | 7 |
| Technology | 3 |
| |||
| 锁定环; 锁环 | |||
| |||
| 闭 口线圈 | |||
|
lock loop : 20 phrases in 8 subjects |
| Air defense | 1 |
| Astronomy | 1 |
| Aviation | 2 |
| Computer numerical control | 1 |
| Electronics | 4 |
| Information technology | 1 |
| Space | 7 |
| Technology | 3 |